TPA6139A2PWR
Overview
Category: Integrated Circuit (IC)
Use: Audio Amplifier
Characteristics: - High-performance stereo headphone amplifier - Low power consumption - Wide supply voltage range - Small package size - Excellent audio quality
Package: TSSOP (Thin Shrink Small Outline Package)
Essence: The TPA6139A2PWR is a high-performance stereo headphone amplifier IC designed for portable audio devices.
Packaging/Quantity: The TPA6139A2PWR is available in tape and reel packaging, with 2500 units per reel.
Specifications
- Supply Voltage Range: 2.5V to 5.5V
- Output Power: Up to 138mW per channel into a 16Ω load at 3.3V
- Total Harmonic Distortion + Noise (THD+N): 0.006% at 1kHz, 1mW into a 32Ω load
- Signal-to-Noise Ratio (SNR): 100dB at 1kHz, 1mW into a 32Ω load
- Shutdown Current: 0.01μA (typical)
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The TPA6139A2PWR has a 20-pin TSSOP package with the following pin configuration:
- VDD
- GND
- SDZ
- SDA
- SCL
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- OUTL
- OUTR
- NC
- SHUTDOWN
Functional Features
- Low quiescent current consumption
- Pop and click suppression circuitry
- Short-circuit and thermal protection
- I2C control interface for flexible configuration
- Differential inputs for improved noise rejection
- Gain settings can be programmed through I2C
Advantages
- High audio quality with low distortion and noise
- Wide supply voltage range allows compatibility with various power sources
- Small package size enables space-saving designs in portable devices
- Flexible configuration options through the I2C control interface
Disadvantages
- Limited output power compared to some other headphone amplifier ICs
- Requires external components for proper operation
Working Principles
The TPA6139A2PWR is a class-AB stereo headphone amplifier that amplifies audio signals from a portable device and drives headphones or earphones. It operates on a low supply voltage while delivering high-quality audio output. The IC incorporates various protection features to ensure safe operation and prevent damage to the device or connected headphones.
Detailed Application Field Plans
The TPA6139A2PWR is suitable for a wide range of portable audio applications, including: - Smartphones - Tablets - Portable media players - Laptop computers - Gaming devices
Alternative Models
Some alternative models to the TPA6139A2PWR include: - TPA6130A2PWP - TPA6138A2PWR - TPA6140A2PWP - TPA6141A2PWR
These alternative models offer similar functionality and can be considered as replacements depending on specific design requirements.
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技術ソリューションにおける TPA6139A2PWR の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of TPA6139A2PWR in technical solutions:
Q: What is TPA6139A2PWR? A: TPA6139A2PWR is a stereo headphone amplifier IC designed for portable audio applications.
Q: What is the power supply voltage range for TPA6139A2PWR? A: The power supply voltage range for TPA6139A2PWR is typically between 2.5V and 5.5V.
Q: What is the output power capability of TPA6139A2PWR? A: TPA6139A2PWR can deliver up to 138mW per channel into a 16-ohm load.
Q: Can TPA6139A2PWR operate with a single-ended power supply? A: Yes, TPA6139A2PWR can operate with a single-ended power supply, making it suitable for various applications.
Q: Does TPA6139A2PWR have built-in short-circuit protection? A: Yes, TPA6139A2PWR has built-in short-circuit protection to prevent damage to the device.
Q: Can TPA6139A2PWR be used in battery-powered devices? A: Yes, TPA6139A2PWR is designed for portable audio applications and can be used in battery-powered devices.
Q: What is the input impedance of TPA6139A2PWR? A: The input impedance of TPA6139A2PWR is typically 20 kohms.
Q: Does TPA6139A2PWR support differential inputs? A: Yes, TPA6139A2PWR supports both single-ended and differential inputs.
Q: Can TPA6139A2PWR be used in headphone amplifiers for smartphones? A: Yes, TPA6139A2PWR is suitable for use in headphone amplifiers for smartphones and other portable devices.
Q: What is the package type of TPA6139A2PWR? A: TPA6139A2PWR is available in a small 20-pin TSSOP (Thin Shrink Small Outline Package) package.
Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.